Climatological Observations - September 2009

Observations at Pitsford Hall 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th
Time of Observations (GMT) 7.00 7.00 7.00 7.00 9.00 9.00 7.00 7.00 9.00 9.00 9.00 9.00 8.00 9.00 9.00 9.00 9.00 9.00 9.00 8.00 9.00 9.00 9.00 9.00 7.00 9.00 9.00 8.00 9.00 9.00
Total Cloud (oktas) 5 8 7 2 2 8 7 7 3 0 2 1 6 7 7 6 8 6 7 6 6 5 6 2 3 8 2 8 3 7
Wind                                                          
Direction ssw sse ssw wsw w s ssw ssw n ne ne nnw nnw nne nnw n nne e ene nnw wsw sws nnw nnw sw wsw nw wsw nw wnw
Speed (knots) 12 6 15 7 10 7 7 10 12 10 10 8 11 12 12 15 8 5 8 12 10 3 4 2 3 3 5 7 11 5
Weather 2 25 2 2 2 2 2 2 2 0 1 2 2 3 3 3 2 3 2 1 3 3 3 2 2 2 2 2 2 3
Visibility 8 7 7 8 8 7 7 8 8 8 8 7 7 7 7 7 7 7 7 7 7 7 7 8 7 8 7 7 8 6
Screen (C)                                                            
Dry Bulb 14.0 12.0 12.6 10.1 15.2 15.2 15.3 18.0 14.8 16.1 15.9 14.7 13.1 14.9 16.0 15.6 13.0 16.0 14.5 14.1 13.9 17.1 14.5 13.5 8.2 14.0 14.0 14.0 15.5 16.0
Wet Bulb 12.6 11.6 11.0 9.0 12.8 12.8 14.2 16.9 11.9 11.8 13.0 12.6 11.6 12.2 13.5 12.6 10.5 12.5 13.1 11.0 11.5 14.1 12.5 11.5 7.7 12.8 13.2 12.4 13.4 14.6
Max 20.6 17.0 17.0 16.8 17.6 17.5 20.5 23.8 20.6 19.5 19.9 21.1 17.0 17.5 18.1 17.6 16.0 20.6 21.6 19.5 18.5 21.5 18.5 17.5 16.8 17.6 19.5 18.2 19.4 18.7
Min 12.1 10.9 11.6 9.0 8.8 12.4 13.6 15.0 12.4 9.2 7.5 9.4 9.1 11.0 12.3 11.9 11.0 11.5 10.6 12.3 8.5 10.5 11.5 7.5 7.5 8.0 6.9 11.2 10.5 10.5
  16.4 14.0 14.3 12.9 13.2 15.0 17.1 19.4 16.5 14.4 13.7 15.3 13.1 14.3 15.2 14.8 13.5 16.1 16.1 15.9 13.5 16.0 15.0 12.5 12.2 12.8 13.2 14.7 15.0 14.6
Total (mm) 6.0 7.6 0.5 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 0.1 0.1 _ _ _ _ _ _ tr
                                                             
Solar Radiation (W/m^2) 317 95 67 187 450 285 74 49 216 470 452 352 230 422 160 389 113 317 195 190 215 176 167 399 106 156 369 127 403 225
Grass & Concrete                                                            
State of Grass 1 3 3 3 1 1 1 1 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0
State of Concrete 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Concrete Min (C) 11.7 10.3 11.1 7.7 7.9 12.4 13.6 15.4 13.1 8.4 8.1 7.8 8.9 11.0 11.0 3.9 11.6 4.0 10.6 12.5 8.5 10.0 9.9 6.5 6.0 6.6 6.3 9.9 9.8 14.4
Evaporation                                                            
Piche (ml) 3 1.5 3.5 > > 10.2 1.8 3.5 3.6 3.1 2.4 3.2 3.2 2.6 2.7 2.4 2.7 3.2 3 3.5 2.6 2.4 2.1 2.8 > > 6.2 2.1 2.8 4.3
Pan (over interval, mm) > > > > > > > > > > > 28.40 > > > > > > > > > > > 25.59 > > > > > 10.26
Rainfall                                                            
Duration (hrs) 2.7 6.4 0.2 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 0.3 0.1 _ _ _ _ _ _ _
Intensity (mean over 24 hrs, mm/hr) 2.2 1.2 2.5 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 0.3 1.0 _ _ _ _ _ _ _
Run of Wind                                                            
Miles (over 24 hrs) 135.69 35.89 160.98 260.62 171.79 175.64 101.59 115.86 116.4 80.17 62.79 62.95 121.39 141.99 168.64 118.87 84.7 61.17 50.69 44.88 97.38 94.97 53.46 143.61 68.67 60.42 81.71 106.34 114.47 112.41
Mean (mph) 7.3 1.9 8.7 14.1 9.3 9.5 5.5 6.3 6.3 4.3 3.4 3.4 6.6 7.7 9.1 6.4 4.6 3.3 2.7 2.4 5.3 5.1 2.9 7.8 3.7 3.3 4.4 5.8 6.2 6.1
Gust (mph) 29 34 38 36 26 21 18 28 20 20 16 15 19 27 31 29 18 16 <15 15 16 19 33 16 18 14 16 20 24 21
Sunshine (hrs) 6.8 2.1 8.5 5.3 5.5 0.1 1.7 6.6 8.9 8.5 6.6 8.5 3.2 4.3 2.6 4.1 0.9 6.4 3.6 6.5 1.0 4.0 2.7 5.8 4.9 2.1 1.7 2.1 5.4 2.6
Humidity Statistics                                                            
Saturated                                                            
VP(Twb) 1.46 1.367 1.313 1.149 1.479 1.479 1.62 1.927 1.394 1.385 1.499 1.46 1.367 1.422 1.548 1.46 1.27 1.45 1.508 1.313 1.358 1.61 1.45 1.358 1.052 1.479 1.518 1.441 1.538 1.663
VP 1.364 1.34 1.204 1.074 1.315 1.315 1.545 1.852 1.196 1.092 1.301 1.317 1.265 1.238 1.377 1.255 1.1 1.211 1.412 1.102 1.194 1.405 1.314 1.222 1.018 1.397 1.463 1.332 1.395 1.567
Saturated                                                            
VP 1.599 1.403 1.46 1.237 1.728 1.728 1.739 2.065 1.684 1.831 1.808 1.674 1.508 1.695 1.819 1.773 1.499 1.819 1.652 1.61 1.589 1.951 1.652 1.548 1.088 1.599 1.599 1.599 1.762 1.819
Rel. Humidity 85.3 95.5 82.5 86.8 76.1 76.1 88.8 89.7 71 59.6 72 78.7 83.9 73 75.7 70.8 73.4 66.6 85.5 68.4 75.1 72 79.5 78.9 93.6 87.4 91.5 83.3 79.2 86.1
                                                             
Dew Point (C) 11.6 11.3 9.7 8 11 11 13.5 16.3 9.6 8.3 10.9 11 10.4 10.1 11.7 10.3 8.4 9.8 12.1 8.4 9.6 12 11 9.9 7.2 11.9 12.6 11.2 11.9 13.7
Pressure (mb) 1006.0 1010.1 994.2 1004.2 1021.0 1023.6 1017.1 1016.4 1030.1 1037.8 1038.8 1033.3 1029.7 1028.8 1023.7 1024.9 1024.9 1020.8 1016.9 1023.3 1025.9 1022.5 1026.2 1027.4 1027.8 1028.4 1028.6 1027.0 1023.0 1020.3
Days with                                                            
thunder 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
gales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

This page was created by Pitsford Hall weather station on 01 October 2009.